more nfc

main.py

@@ -112,11 +112,11 @@ def read_nfc_tag():
         tag = clf.connect(rdwr={'on-connect': lambda tag: False})
         return tag.identifier if tag else None
     except Exception as e:
-        print("NFC read error:", e)
+        # print("NFC read error:", e)
         return None
     finally:
         if clf:
-            # clf.close()
+            clf.close()
             pass
 
 while True: